<template>
	<div class="box">
		<div class="box__ghost">
			<div class="symbol"></div>
			<div class="symbol"></div>
			<div class="symbol"></div>
			<div class="symbol"></div>
			<div class="symbol"></div>
			<div class="symbol"></div>

			<div class="box__ghost-container">
				<div class="box__ghost-eyes">
					<div class="box__eye-left"></div>
					<div class="box__eye-right"></div>
				</div>
				<div class="box__ghost-bottom">
					<div></div>
					<div></div>
					<div></div>
					<div></div>
					<div></div>
				</div>
			</div>
			<div class="box__ghost-shadow"></div>
		</div>

		<div class="box__description">
			<div class="box__description-container">
				<div class="box__description-title">404错误！</div>
				<div class="box__description-text">你在红尘中迷路了~~~</div>
			</div>

			<a href="JavaScript:;" class="box__button" @click="goBack">返回</a>
		</div>
	</div>
</template>

<script setup>
// 导入全局路由实例
import { useRouter } from "vue-router";

// 全局路由实例激活
const router = useRouter();

/**
 * goBack  路由回退函数
 * 使用全局路由实例中的back方法返回到上一个路由
 */
function goBack() {
	router.back();
}
</script>

<style lang="less" scoped>
html,
body {
	background: #28254c;
	font-family: "Ubuntu";
}

* {
	box-sizing: border-box;
}

.box {
	width: 100%;
	height: 100%;
	background: #332f63;
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	padding: 30px 50px;
}
.box .box__ghost {
	padding: 15px 25px 25px;
	position: absolute;
	left: 50%;
	top: 30%;
	transform: translate(-50%, -30%);
}
.box .box__ghost .symbol:nth-child(1) {
	opacity: 0.2;
	animation: shine 4s ease-in-out 3s infinite;
}
.box .box__ghost .symbol:nth-child(1):before,
.box .box__ghost .symbol:nth-child(1):after {
	content: "";
	width: 12px;
	height: 4px;
	background: #fff;
	position: absolute;
	border-radius: 5px;
	bottom: 65px;
	left: 0;
}
.box .box__ghost .symbol:nth-child(1):before {
	transform: rotate(45deg);
}
.box .box__ghost .symbol:nth-child(1):after {
	transform: rotate(-45deg);
}
.box .box__ghost .symbol:nth-child(2) {
	position: absolute;
	left: -5px;
	top: 30px;
	height: 18px;
	width: 18px;
	border: 4px solid;
	border-radius: 50%;
	border-color: #fff;
	opacity: 0.2;
	animation: shine 4s ease-in-out 1.3s infinite;
}
.box .box__ghost .symbol:nth-child(3) {
	opacity: 0.2;
	animation: shine 3s ease-in-out 0.5s infinite;
}
.box .box__ghost .symbol:nth-child(3):before,
.box .box__ghost .symbol:nth-child(3):after {
	content: "";
	width: 12px;
	height: 4px;
	background: #fff;
	position: absolute;
	border-radius: 5px;
	top: 5px;
	left: 40px;
}
.box .box__ghost .symbol:nth-child(3):before {
	transform: rotate(90deg);
}
.box .box__ghost .symbol:nth-child(3):after {
	transform: rotate(180deg);
}
.box .box__ghost .symbol:nth-child(4) {
	opacity: 0.2;
	animation: shine 6s ease-in-out 1.6s infinite;
}
.box .box__ghost .symbol:nth-child(4):before,
.box .box__ghost .symbol:nth-child(4):after {
	content: "";
	width: 15px;
	height: 4px;
	background: #fff;
	position: absolute;
	border-radius: 5px;
	top: 10px;
	right: 30px;
}
.box .box__ghost .symbol:nth-child(4):before {
	transform: rotate(45deg);
}
.box .box__ghost .symbol:nth-child(4):after {
	transform: rotate(-45deg);
}
.box .box__ghost .symbol:nth-child(5) {
	position: absolute;
	right: 5px;
	top: 40px;
	height: 12px;
	width: 12px;
	border: 3px solid;
	border-radius: 50%;
	border-color: #fff;
	opacity: 0.2;
	animation: shine 1.7s ease-in-out 7s infinite;
}
.box .box__ghost .symbol:nth-child(6) {
	opacity: 0.2;
	animation: shine 2s ease-in-out 6s infinite;
}
.box .box__ghost .symbol:nth-child(6):before,
.box .box__ghost .symbol:nth-child(6):after {
	content: "";
	width: 15px;
	height: 4px;
	background: #fff;
	position: absolute;
	border-radius: 5px;
	bottom: 65px;
	right: -5px;
}
.box .box__ghost .symbol:nth-child(6):before {
	transform: rotate(90deg);
}
.box .box__ghost .symbol:nth-child(6):after {
	transform: rotate(180deg);
}
.box .box__ghost .box__ghost-container {
	background: #fff;
	width: 100px;
	height: 100px;
	border-radius: 100px 100px 0 0;
	position: relative;
	margin: 0 auto;
	animation: upndown 3s ease-in-out infinite;
}
.box .box__ghost .box__ghost-container .box__ghost-eyes {
	position: absolute;
	left: 20%;
	top: 45%;
	height: 12px;
	width: 70px;
}
.box .box__ghost .box__ghost-container .box__ghost-eyes .box__eye-left {
	width: 12px;
	height: 12px;
	background: #332f63;
	border-radius: 50%;
	margin: 0 10px;
	position: absolute;
	left: 0;
}
.box .box__ghost .box__ghost-container .box__ghost-eyes .box__eye-right {
	width: 12px;
	height: 12px;
	background: #332f63;
	border-radius: 50%;
	margin: 0 10px;
	position: absolute;
	right: 0;
}
.box .box__ghost .box__ghost-container .box__ghost-bottom {
	display: flex;
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
}
.box .box__ghost .box__ghost-container .box__ghost-bottom div {
	flex-grow: 1;
	position: relative;
	top: -10px;
	height: 20px;
	border-radius: 100%;
	background-color: #fff;
}
.box .box__ghost .box__ghost-container .box__ghost-bottom div:nth-child(2n) {
	top: -12px;
	margin: 0 -0px;
	border-top: 15px solid #332f63;
	background: transparent;
}
.box .box__ghost .box__ghost-shadow {
	height: 20px;
	box-shadow: 0 50px 15px 5px #3b3769;
	border-radius: 50%;
	margin: 0 auto;
	animation: smallnbig 3s ease-in-out infinite;
}
.box .box__description {
	position: absolute;
	bottom: 30px;
	left: 50%;
	transform: translateX(-50%);
}
.box .box__description .box__description-container {
	color: #fff;
	text-align: center;
	width: 200px;
	font-size: 16px;
	margin: 0 auto;
}
.box .box__description .box__description-container .box__description-title {
	font-size: 24px;
	letter-spacing: 0.5px;
}
.box .box__description .box__description-container .box__description-text {
	color: #8c8aa7;
	line-height: 20px;
	margin-top: 20px;
}
.box .box__description .box__button {
	display: block;
	position: relative;
	background: #ff5e65;
	border: 1px solid transparent;
	border-radius: 50px;
	height: 50px;
	text-align: center;
	text-decoration: none;
	color: #fff;
	line-height: 50px;
	font-size: 18px;
	padding: 0 70px;
	white-space: nowrap;
	margin-top: 25px;
	transition: background 0.5s ease;
	overflow: hidden;
}
.box .box__description .box__button:before {
	content: "";
	position: absolute;
	width: 20px;
	height: 100px;
	background: #fff;
	bottom: -25px;
	left: 0;
	border: 2px solid #fff;
	transform: translateX(-50px) rotate(45deg);
	transition: transform 0.5s ease;
}
.box .box__description .box__button:hover {
	background: transparent;
	border-color: #fff;
}
.box .box__description .box__button:hover:before {
	transform: translateX(250px) rotate(45deg);
}

@keyframes upndown {
	0% {
		transform: translateY(5px);
	}
	50% {
		transform: translateY(15px);
	}
	100% {
		transform: translateY(5px);
	}
}
@keyframes smallnbig {
	0% {
		width: 90px;
	}
	50% {
		width: 100px;
	}
	100% {
		width: 90px;
	}
}
@keyframes shine {
	0% {
		opacity: 0.2;
	}
	25% {
		opacity: 0.1;
	}
	50% {
		opacity: 0.2;
	}
	100% {
		opacity: 0.2;
	}
}
</style>
